40121044203 has 32 divisors (see below), whose sum is σ = 54618550272. Its totient is φ = 26192743200.

The previous prime is 40121044199. The next prime is 40121044213. The reversal of 40121044203 is 30244012104.

It is not a de Polignac number, because 40121044203 - 2² = 40121044199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40121044203.

It is not an unprimeable number, because it can be changed into a prime (40121044213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12587376 + ... + 12590562.

It is an arithmetic number, because the mean of its divisors is an integer number (1706829696).

Almost surely, 2^40121044203 is an apocalyptic number.

40121044203 is a deficient number, since it is larger than the sum of its proper divisors (14497506069).

40121044203 is a wasteful number, since it uses less digits than its factorization.

40121044203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40121044203 its reverse (30244012104), we get a palindrome (70365056307).

The spelling of 40121044203 in words is "forty billion, one hundred twenty-one million, forty-four thousand, two hundred three".